Generalized multi-Gaussian correlated Schell-model beam: from theory to experiment | Zendy

Fei Wang | Zendy; Chunhao Liang | Zendy; Yangsheng Yuan | Zendy; Yangjian Cai | Zendy

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Generalized multi-Gaussian correlated Schell-model beam: from theory to experiment

Author(s) -

Fei Wang,

Chunhao Liang,

Yangsheng Yuan,

Yangjian Cai

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.023456

Subject(s) - optics , m squared , physics , beam (structure) , laser beam quality , free space optical communication , gaussian beam , cardinal point , gaussian , optical tweezers , beam parameter product , beam diameter , measure (data warehouse) , free space , laser beams , optical communication , laser , computer science , quantum mechanics , database

A new kind of partially coherent beam with non-conventional correlation function named generalized multi-Gaussian correlated Schell-model (GMGCSM) beam is proposed. The GMGCSM beam of the first or second kind is capable of producing dark hollow or flat-topped beam profile in the focal plane (or in the far field). Furthermore, we carry out experimental generation of a GMGCSM beam of the first or second kind, and measure its focused intensity. Our experimental results verify theoretical predictions. The GMGCSM beam will be useful for free-space optical communications, material thermal processing, particle or atom trapping.

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